| GB.Attach | Defines the event observer of an object | 
| GB.AutoCreate | Returns the automatically created hidden instance of a class. | 
| GB.CheckObject | Checks that an object reference is not null and valid. | 
| GB.Detach | Detaches an object from its event observer. | 
| GB.New | Instanciates an object. | 
| GB.Ref | References an object. | 
| GB.Unref | Release the reference on an object. | 
| GB.UnRefKeep | Release the reference on an object without freeing it. |